Home / 56,822.58-85,220.20-17,380.03

Finding the Fourth Proportional to 56,822.58, 85,220.20 and 17,380.03

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Solution

The fourth proportional to 56,822.58, 85,220.20 and 17,380.03 is: 26,065.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,822.58 : 85,220.20 = 17,380.03 : x
  2. Step 2: Convert to fraction form
    56,822.58/85,220.20 = 17,380.03/x
  3. Step 3: Cross multiply
    56,822.58x = 85,220.20 × 17,380.03
  4. Step 4: Simplify right side
    56,822.58x = 1,481,129,545.71
  5. Step 5: Solve for x
    x = 1,481,129,545.71/56,822.58
  6. Step 6: Final answer
    x = 26,065.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.